Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
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The use of an oil flow test to ascertain the condition of engine bearings, particularly for cars and aero engines.26th May 1938Box 107 \ 2  scan0127
Engine fault on a Bentley B.84-FE, attributing the cause to the driver's handling.26th May 1938Box 107 \ 2  scan0128
Request for tools to compress shells into the journal bearings for a Bentley.23th May 1938Box 107 \ 2  scan0129
Expressing grave doubts about the method of fitting Bentley bearings into their housings.28th May 1938Box 107 \ 2  scan0130
Potential adoption of a shortened change speed lever for the new Bentley.28th May 1938Box 107 \ 2  scan0131
The unreliability of the oil cooler and tests to decide on its deletion from cars with specific bearings.27th May 1938Box 107 \ 2  scan0132
Proposal to abandon the oil cooler on Phantom III engines, based on tests conducted at Brooklands Track.25th May 1938Box 107 \ 2  scan0133
Analysis of temperature test results for oil and water under different vehicle operating conditions.25th May 1938Box 107 \ 2  scan0134
Summary of endurance tests to determine the necessity of an oil cooler based on bearing type and oil temperatures.25th May 1938Box 107 \ 2  scan0135
Results of oil temperature tests on a 35 EX car at Brooklands Track.27th May 1938Box 107 \ 2  scan0136
Correcting the engine size on Chassis B.67.DK from 3½ to 4¼ litre.27th May 1938Box 107 \ 2  scan0137
Investigations into clutch juddering issues on the Phantom III model.26th May 1938Box 107 \ 2  scan0138
Page 2 of a memo discussing the importance of following instructions that were received verbally.26th Sep 1938Box 107 \ 2  scan0139
Remedy for eccentric rocking lever bushes in the Phantom III hydraulic tappet mechanism.18th May 1938Box 107 \ 2  scan0140
Chart plotting centrifugal force against RPM for various radii of rotation.24th Mar 1938Box 107 \ 2  scan0141
Experimental use of thin oils on re-bored Bentley cars to assess cylinder bore wear.10th May 1938Box 107 \ 2  scan0142
Trial of thin oils on Bentley cars and the associated risks and agreements.9th May 1938Box 107 \ 2  scan0143
Mileage at which bottom decarbonising and reboring of Bentley engines becomes necessary.17th Jun 1937Box 107 \ 2  scan0144
Time schedule outlining the hours required for changing the front axle beam on a Bentley chassis.2nd Jan 1938Box 107 \ 2  scan0145
Schedule of repairs for Bentley brakes, including estimated hours for each task.2nd Jan 1938Box 107 \ 2  scan0146
List of supplementary service tasks related to brakes and servos, with their corresponding labor hours.2nd Jan 1938Box 107 \ 2  scan0147
Time sheet detailing the hours required to change a front axle beam on a Bentley chassis.6th May 1938Box 107 \ 2  scan0148
Correcting a typo from Phantom 111 to Phantom 11 on a complaints document.6th May 1938Box 107 \ 2  scan0149
Complaints and their resolutions for the Phantom III and other models.4th May 1938Box 107 \ 2  scan0150
Cost-saving improvements and fixes for Bentley engine roughness and other components.4th May 1938Box 107 \ 2  scan0151
Customer complaints about noisy heavy valves for the Phantom 113, detailing modification cases and profitability.4th May 1938Box 107 \ 2  scan0152
Following a Chassis Complaint Conference, detailing outstanding issues with the Phantom III, 25/30 HP, and Bentley models.14th Apr 1938Box 107 \ 2  scan0153
Minutes of a Chassis Complaints Conference.12th Apr 1938Box 107 \ 2  scan0154
Worst features and proposed remedies for the Phantom III model.12th Apr 1938Box 107 \ 2  scan0155
Technical issues including carburetters, brakes, radiators, and servos.12th Apr 1938Box 107 \ 2  scan0156
List of engineering complaints and planned investigations for oil leaks, speedometer drives, and other components.12th Apr 1938Box 107 \ 2  scan0157
List of the worst features for the 25/30 model, along with proposed remedies and ongoing investigations.12th Apr 1938Box 107 \ 2  scan0158
Technical sheet outlining issues and recommendations for Bentley vehicles.12th Apr 1938Box 107 \ 2  scan0159
Report page discussing recommended maximum vehicle speeds, noisy axles, and unreliable clocks and speedometers.11th Apr 1938Box 107 \ 2  scan0160
The wear of Wraith timing gears.11th Apr 1938Box 107 \ 2  scan0161
Investigation into timing gear wear, oscillations, and material suitability for various engine components.11th Apr 1938Box 107 \ 2  scan0162
Inspection report detailing measurements, tolerances, and notes for six numbered components.29th Jun 1926Box 107 \ 2  scan0163
Table detailing test results for various units, including running times, mileage, and backlash measurements.29th Jun 1926Box 107 \ 2  scan0164
Graph plotting Wraith III camshaft torque against camshaft angle at 4500 RPM.9th Apr 1938Box 107 \ 2  scan0165
Cover note for the agenda of a Chassis Complaints Conference.9th Apr 1938Box 107 \ 2  scan0166
Agenda for a Chassis Complaints Conference to be held in Derby, focusing on the worst features of the Phantom III model.12th Apr 1938Box 107 \ 2  scan0167
List of worst features for the 25/30 HP and 20/25 HP models suggested for discussion.12th Apr 1938Box 107 \ 2  scan0168
List of discussion points and worst features concerning Bentley vehicles.11th Apr 1938Box 107 \ 2  scan0169
Request from Jack Barclay for a Thermoid Clutch Plate for his Trials Car B.37.LE.11th Apr 1938Box 107 \ 2  scan0170
Letter to Bentley Motors Ltd. regarding a fault with modified type rotors where a securing screw was found to be slack.4th Apr 1938Box 107 \ 2  scan0171
Cover letter for a series of charts showing monthly complaints regarding the Bentley 4¼ Litre Chassis.11th Apr 1938Box 107 \ 2  scan0172
Piston scuffing issues related to different oil grades and consumption.8th Apr 1938Box 107 \ 2  scan0173
Test findings and recommendations regarding piston scuffing on experimental Wraith engines.5th Apr 1938Box 107 \ 2  scan0174
Test report on producing scuffed pistons and the effectiveness of different oils and tin-plating.5th Apr 1938Box 107 \ 2  scan0175
Photograph showing a standard piston after scuffing tests.5th Apr 1938Box 107 \ 2  scan0176
Photograph showing the results of a piston scuffing test.5th Apr 1938Box 107 \ 2  scan0177
Photograph showing a tin-plated piston after scuffing tests.5th Apr 1938Box 107 \ 2  scan0178
Photograph and results of a piston scuffing test.5th Apr 1938Box 107 \ 2  scan0179
Photograph and report on piston scuffing tests.8th Apr 1938Box 107 \ 2  scan0180
Listing engine complaints for the 25/30 Hp model for March.8th Apr 1938Box 107 \ 2  scan0181
List of reported faults and their quantities for Stromberg carburetters and Brakes.6th Apr 1939Box 107 \ 2  scan0182
List of reported faults and their quantities for the Clutch, Steering, Front Axle, and Rear Axle.2nd Apr 1938Box 107 \ 2  scan0183
Continued list of faults and their occurrences for various vehicle components, including mechanical and electrical systems.9th Apr 1938Box 107 \ 2  scan0184
Continued list of component failures and their corresponding quantities.8th Apr 1938Box 107 \ 2  scan0185
Continued list of vehicle faults including petrol leaks, gauge issues, and uncomfortable ride.8th Apr 1938Box 107 \ 2  scan0186
List of complaints concerning brakes for the 25/30 HP model during January and February.3rd Mar 1938Box 107 \ 2  scan0187
List of vehicle faults categorised by component, including carburetter, clutch, and engine issues.3rd Mar 1938Box 107 \ 2  scan0188
Technical report detailing faults and remarks on engine, dynamo, and starter motor components.3rd Mar 1938Box 107 \ 2  scan0189
List of vehicle faults related to chassis lubrication, shock absorbers, steering, and exhaust suspension.3rd Mar 1939Box 107 \ 2  scan0190
Continued list of reported vehicle component faults and the number of occurrences.3rd Mar 1938Box 107 \ 2  scan0191
Continued list of vehicle faults and personal complaints with their respective counts.3rd Mar 1938Box 107 \ 2  scan0192
Outstanding complaints on the 25/30 HP chassis, specifically regarding bonnet rattles and braking problems.3rd Feb 1938Box 107 \ 2  scan0193
Common vehicle complaints and their status, covering clutches, exhaust, engine, and front axle issues.3rd Feb 1938Box 107 \ 2  scan0194
Summary of Phantom III owners' complaints for the month of March, detailing engine issues.6th Apr 1938Box 107 \ 2  scan0195
Faults found in engines and Stromberg carburetters, with a tally for each category.6th Apr 1938Box 107 \ 2  scan0196
Faults and their frequency for steering and clutch systems.6th Apr 1938Box 107 \ 2  scan0197
Summary of vehicle faults and complaints for brakes, servo, and electrical systems.6th Apr 1938Box 107 \ 2  scan0198
Faults and complaints found on various vehicle components.6th Apr 1938Box 107 \ 2  scan0199
List of reported faults and issues for various vehicle components.6th Apr 1938Box 107 \ 2  scan0200
List of complaints for the Phantom III model engine during January and February.4th Mar 1938Box 107 \ 2  scan0201
Continued list of engine and carburetter faults with quantities, handwritten notes, and proposed modifications.4th Mar 1938Box 107 \ 2  scan0202
List of reported faults categorized by vehicle system, such as steering, clutch, and transmission.4th Mar 1938Box 107 \ 2  scan0203
Typed list of vehicle faults and their frequency, covering brakes, gearbox, starter, and electrical systems.4th Mar 1938Box 107 \ 2  scan0204
List of vehicle component failures and issues with corresponding counts.4th Mar 1938Box 107 \ 2  scan0205
List of vehicle faults and their frequency, categorized by component.4th Mar 1938Box 107 \ 2  scan0206
List of reported vehicle faults and issues, with tallied counts.4th Mar 1938Box 107 \ 2  scan0207
Service and owner complaints for the Phantom III model, detailing faults and remedial actions.21th Dec 1937Box 107 \ 2  scan0208
Various component issues including overoiling, oil coolers, brakes, and dynamo fuses, along with proposed fixes.21th Dec 1937Box 107 \ 2  scan0209
List of service complaints and proposed solutions for various vehicle components.21th Jan 1937Box 107 \ 2  scan0210
Minutes of a conference on service complaints regarding vehicle boiling issues.26th Oct 1937Box 107 \ 2  scan0211
Continued list of complaints and investigations for the Phantom III model, covering issues like petrol pumps, clutches, and steering.27th Oct 1937Box 107 \ 2  scan0212
Customer complaints and component issues for the Phantom III model.27th Oct 1937Box 107 \ 2  scan0213
Summary of complaints and remedies for P.III, 20/25 HP, and 25/30 HP models.27th Oct 1937Box 107 \ 2  scan0214
Ongoing complaints and proposed modifications for 25/30 HP and Bentley models.27th Oct 1937Box 107 \ 2  scan0215
Ongoing Bentley complaints regarding axle failures, brake squeaks, a request for a new revolution counter, and procedural issues with customer complaint forms.27th Oct 1937Box 107 \ 2  scan0216
Discussions regarding customer complaint forms and policies for free of charge repair work for Bentley and RR cars.27th Oct 1937Box 107 \ 2  scan0217
Outstanding complaints for the Bentley 4¼ Litre chassis, focusing on rear axle and engine bearing issues.4th Feb 1936Box 107 \ 2  scan0218
Technical report on improvements and complaints regarding bearings, brakes, servos, and steering components.4th Feb 1938Box 107 \ 2  scan0219
Faults found with Borg & Beck clutches and lightened type batteries.4th Feb 1938Box 107 \ 2  scan0220
List of main customer complaints regarding the Bentley 4¼ litre model.16th Oct 1936Box 107 \ 2  scan0221
Owner complaints and technical issues concerning bearings, clutch, brakes, and engine water leaks.16th Oct 1936Box 107 \ 2  scan0222
Issues with excessive oil consumption and loose steering in the frame.10th Oct 1936Box 107 \ 2  scan0223
Summary of main service complaints for Bentley rear axles, listing failure types and corresponding mileages.15th Oct 1937Box 107 \ 2  scan0224
Log of vehicle faults, modifications, and mileage records for various components.15th Oct 1937Box 107 \ 2  scan0225
Log of component failures and issues, detailing the mileage at which they occurred for thrust races, propellor shaft dampers, and clutches.15th Oct 1937Box 107 \ 2  scan0226


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